A reader discovers that his credit card company is funding dirty energy. Umbra looks out for the planet's best interest.
A reader is feline unsure about buying a new, fuel-efficient car. Umbra says it's better to make the leap, and she's not lion.
A reader wants to blow off some steam. Umbra says don't waste your energy.
A reader wonders where best to get her sugar fix. Umbra gets granular.
A reader frets that her home entertainment habits may be rubbing the climate the wrong way. Umbra scratches below the surface.
A reader wants to take his baby on public transit. Umbra has some railly great advice.
A reader wonders if she can hang 10 without leaving the planet in the soup. Umbra steps into the green room.
A reader wonders if faux leather is more ethical than the real stuff. Umbra says she could be suede.
What's an aspiring locavore to do? Umbra says don't take it too Siri-ously.